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.IX Title "TACHK 1"
.TH TACHK 1 2023-07-29 "perl v5.38.0" "User Contributed Perl Documentation"
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.nh
.SH NAME
tachk \- Check the validity of the trust anchors in a named.conf file
.SH SYNOPSIS
.IX Header "SYNOPSIS"
.Vb 1
\&  tachk [options] <named.conf>
.Ve
.SH DESCRIPTION
.IX Header "DESCRIPTION"
\&\fBtachk\fR checks the validity of the trust anchors in the specified
\&\fBnamed.conf\fR file.  The output given depends on the options selected.
.PP
Note:  This script may be removed in future releases.
.SH OPTIONS
.IX Header "OPTIONS"
\&\fBtachk\fR takes two types of options:  record-attribute options
and output-style options.  These option sets are detailed below.
.SS "Record-Attribute Options"
.IX Subsection "Record-Attribute Options"
These options define which trust anchor records will be displayed.
.IP \fB\-valid\fR 4
.IX Item "-valid"
This option displays the valid trust anchors in a \fBnamed.conf\fR file.
.IP \fB\-invalid\fR 4
.IX Item "-invalid"
This option displays the invalid trust anchors in a \fBnamed.conf\fR file.
.SS "Output-Format Options"
.IX Subsection "Output-Format Options"
These options define how the trust anchor information will be displayed.
Without any of these options, the zone name and key tag will be displayed
for each trust anchor.
.IP \fB\-count\fR 4
.IX Item "-count"
The count of matching records will be displayed, but the matching records
will not be.
.IP \fB\-long\fR 4
.IX Item "-long"
The long form of output will be given.  The zone name and key tag will be
displayed for each trust anchor.
.IP \fB\-terse\fR 4
.IX Item "-terse"
This option displays only the name of the zones selected by other options.
.IP \fB\-Version\fR 4
.IX Item "-Version"
Displays the version information for \fBtachk\fR and the DNSSEC-Tools package.
.IP \fB\-help\fR 4
.IX Item "-help"
Display a usage message.
.SH AUTHOR
.IX Header "AUTHOR"
Wesley Griffin
.PP
(Current contact for \fBtachk\fR is Wayne Morrison,
tewok@tislabs.com.)
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fBtrustman\|(8)\fR
.PP
\&\fBnamed.conf\|(5)\fR